Shredder



FIG. 1 is a perspective view of a shredder showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevation thereof;

FIG. 4 is a rear elevation thereof;

FIG. 5 is a bottom plan thereof;

FIG. 6 is a right side elevation thereof; and,

FIG. 7 is a left side elevation thereof.

The broken line showing of environment in the figure drawings is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a shredder, as shown and described. 